Home / 6,228,286.80-9,342,430.20-5,555,128.20

Finding the Fourth Proportional to 6,228,286.80, 9,342,430.20 and 5,555,128.20

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Solution

The fourth proportional to 6,228,286.80, 9,342,430.20 and 5,555,128.20 is: 8,332,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,286.80 : 9,342,430.20 = 5,555,128.20 : x
  2. Step 2: Convert to fraction form
    6,228,286.80/9,342,430.20 = 5,555,128.20/x
  3. Step 3: Cross multiply
    6,228,286.80x = 9,342,430.20 × 5,555,128.20
  4. Step 4: Simplify right side
    6,228,286.80x = 51,898,397,460,551.64
  5. Step 5: Solve for x
    x = 51,898,397,460,551.64/6,228,286.80
  6. Step 6: Final answer
    x = 8,332,692.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.